51237840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213491}}^1$

素因数の和:213507

約数の個数: 40

約数和(自身を含む): 158838048

約数和(自身を除く): 107600208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213491, 426982, 640473, 853964, 1067455, 1280946, 1707928, 2134910, 2561892, 3202365, 3415856, 4269820, 5123784, 6404730, 8539640, 10247568, 12809460, 17079280, 25618920, 51237840]

約数ペア:

[(1, 51237840), (2, 25618920), (3, 17079280), (4, 12809460), (5, 10247568), (6, 8539640), (8, 6404730), (10, 5123784), (12, 4269820), (15, 3415856), (16, 3202365), (20, 2561892), (24, 2134910), (30, 1707928), (40, 1280946), (48, 1067455), (60, 853964), (80, 640473), (120, 426982), (240, 213491)]